News

Animals

Eat a Killer: Snake dines safely with strategic delays

An Australian snake kills dangerous frogs then waits for their defensive chemicals to degrade before eating them.

Physics

Light does some weird math

Adding a photon to a light pulse then taking one out gives a different result from doing the same operations the other way around.

Health & Medicine

Antibiotic improves recovery from stroke

An antibiotic called minocycline seems to limit brain damage and disability in stroke patients.

Earth

Arctic sea ice falls to modern low

The area of sea ice in the Arctic is at its lowest in nearly three decades of satellite monitoring.